No, it's from the data sheet for the MAX232 receiver. The spec for the receiver is quite different from the spec for RS232.
On Tue, 16 Dec 2003 00:29:18 -0800 Fred Townsend <[EMAIL PROTECTED]> wrote: > These are specs for RS232. Not even close. Do you mean RS422? > > Fred Townsend > > Peter Vogel wrote: > > >I'm trying to understand the specifications of an RS-232 receiver. > > > >Input threshold low minimum = 0.8V > >Input threshold high max = 2.4V > >Hysteresis max = 1V > > > >So, am I right in concluding that to operate reliably I need to swing > >the input over at least -0.2V to 3.4V, or do the threshold specs include > >the hysteresis? > > > > > >Peter Vogel > >ZapTV Pty Ltd > >30 Adeline St, Faulconbridge 2776 > >Australia > >Tel: 02 4751 8735 > >Fax: 02 4751 2601 > >email: [EMAIL PROTECTED] > > > > > > > > > > > -- > Author: Fred Townsend > INET: [EMAIL PROTECTED] > > Fat City Network Services -- 858-538-5051 http://www.fatcity.com > San Diego, California -- Mailing list and web hosting services > --------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an E-Mail message > to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in > the message BODY, include a line containing: UNSUB CHIPDIR-L > (or the name of mailing list you want to be removed from). You may > also send the HELP command for other information (like subscribing). Peter Vogel ZapTV Pty Ltd 30 Adeline St, Faulconbridge 2776 Australia Tel: 02 4751 8735 Fax: 02 4751 2601 email: [EMAIL PROTECTED] -- Author: Peter Vogel INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB CHIPDIR-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
